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High current toroidal inductor design I tried to find high current toroidal inductor (25A) with 180uh but I couldnt find one, so I would like to design my own inductor for a buck converter using Posted - Tue Feb 14, 2012 9:05 pm	MAN you4me_2000 Offline Send Email
Re: Ion chamber - about the choice of materials I just hope my colleague will come back with a box full of scrap parts copper/messing... I don't need to think about the finer details, though it is good to Posted - Tue Jan 31, 2012 11:03 pm	ronwer224 Offline Send Email
Re: Ion chamber - about the choice of materials Many thanks for your reply! I just posted an extra picture of the Curie display at the museum. Soon I need to take some extra pictures without the glass! I Posted - Tue Jan 31, 2012 10:57 pm	ronwer224 Offline Send Email
Re: Ion chamber - about the choice of materials Steel has some amount of radioactive isotopes mixed in, and a coating of copper would block alpha particles that result from the decay of those isotopes. Posted - Sat Jan 28, 2012 1:12 am	CharlesW charleswenzel Offline Send Email
Re: Ion chamber - about the choice of materials Charles, Yes, there is fine copper wool available on ebay. The real reason for the wiping is to take off any copper that is not strongly adhering - what is Posted - Fri Jan 27, 2012 10:17 pm	jbrookes40 Offline Send Email
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